| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $66,971 | $30,578 |
| 2016 | $69,313 | $31,522 |
| 2017 | $71,580 | $31,234 |
| 2018 | $71,580 | $29,687 |
| 2019 | $76,280 | $30,882 |
| 2020 | $78,754 | $33,356 |
| 2021* | $81,329 | $34,387 |
| 2022* | $83,989 | $35,449 |
| 2023* | $86,735 | $36,545 |
| 2024* | $89,571 | $37,674 |
| 2025* | $92,500 | $38,838 |